smp.h revision 25517
125164Speter/* 225164Speter * ---------------------------------------------------------------------------- 325164Speter * "THE BEER-WARE LICENSE" (Revision 42): 425164Speter * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 525164Speter * can do whatever you want with this stuff. If we meet some day, and you think 625164Speter * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 725164Speter * ---------------------------------------------------------------------------- 825164Speter * 925517Sfsmp * $Id: smp.h,v 1.6 1997/05/05 22:56:37 fsmp Exp $ 1025164Speter * 1125164Speter */ 1225164Speter 1325164Speter#ifndef _MACHINE_SMP_H_ 1425164Speter#define _MACHINE_SMP_H_ 1525164Speter 1625164Speter#ifdef KERNEL 1725164Speter 1825164Speter#include "opt_smp.h" 1925164Speter 2025517Sfsmp#if defined(SMP) && !defined(APIC_IO) 2125517Sfsmp# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 2225517Sfsmp#endif /* SMP && NCPU */ 2325517Sfsmp 2425164Speter#if defined(SMP) && !defined(NCPU) 2525164Speter# define NCPU 2 2625164Speter#endif /* SMP && NCPU */ 2725164Speter 2825164Speter#if defined(SMP) || defined(APIC_IO) 2925164Speter 3025164Speter/* global data in mpboot.s */ 3125164Speterextern int bootMP_size; 3225164Speter 3325164Speter/* functions in mpboot.s */ 3425164Spetervoid bootMP __P((void)); 3525164Speter 3625164Speter/* global data in mplock.s */ 3725164Speterextern u_int mp_lock; 3825164Speter 3925164Speter/* functions in mplock.s */ 4025164Spetervoid get_mplock __P((void)); 4125164Spetervoid rel_mplock __P((void)); 4225320Sfsmpvoid try_mplock __P((void)); 4325164Speter 4425164Speter/* global data in mp_machdep.c */ 4525164Speterextern struct proc* SMPcurproc[NCPU]; 4625164Speterextern struct pcb* SMPcurpcb[NCPU]; 4725164Speterextern struct timeval SMPruntime[NCPU]; 4825164Speterextern int mp_ncpus; 4925164Speterextern int mp_naps; 5025164Speterextern int mp_nbusses; 5125164Speterextern int mp_napics; 5225164Speterextern int mp_picmode; 5325164Speterextern int mpenabled; 5425164Speterextern int boot_cpu_id; 5525164Speterextern vm_offset_t cpu_apic_address; 5625164Speterextern vm_offset_t io_apic_address[]; 5725164Speterextern u_int32_t cpu_apic_versions[]; 5825164Speterextern u_int32_t io_apic_versions[]; 5925164Speterextern int cpu_num_to_apic_id[]; 6025164Speterextern int io_num_to_apic_id[]; 6125164Speterextern int apic_id_to_logical[]; 6225164Speter 6325164Speter/* functions in mp_machdep.c */ 6425164Speteru_int mp_bootaddress __P((u_int)); 6525164Spetervoid mp_start __P((void)); 6625164Spetervoid mp_announce __P((void)); 6725164Speterint get_isa_apic_irq __P((int)); 6825499Sfsmpu_int get_isa_apic_mask __P((u_int)); 6925499Sfsmpint undirect_isa_irq __P((int)); 7025164Speterint get_eisa_apic_irq __P((int)); 7125164Speterint get_pci_apic_irq __P((int, int, int)); 7225164Speterint undirect_pci_irq __P((int)); 7325164Speterint apic_bus_type __P((int)); 7425164Speterint apic_src_bus_id __P((int, int)); 7525164Speterint apic_src_bus_irq __P((int, int)); 7625164Speterint apic_int_type __P((int, int)); 7725164Speterint apic_trigger __P((int, int)); 7825164Speterint apic_polarity __P((int, int)); 7925164Spetervoid configure_local_apic __P((void)); 8025164Spetervoid init_secondary __P((void)); 8125164Spetervoid smp_invltlb __P((void)); 8225164Speter 8325164Speter/* global data in mpapic.c */ 8425164Speterextern volatile u_int* apic_base; 8525164Speter 8625164Speter#if defined(MULTIPLE_IOAPICS) 8725164Speter#error MULTIPLE_IOAPICSXXX 8825164Speter#else 8925164Speterextern volatile u_int* io_apic_base; 9025164Speter#endif /* MULTIPLE_IOAPICS */ 9125164Speter 9225164Speter/* functions in mpapic.c */ 9325164Spetervoid apic_initialize __P((int)); 9425362Sfsmpint apic_ipi __P((int, int, int)); 9525164Speterint selected_apic_ipi __P((u_int, int, int)); 9625164Speterint io_apic_setup __P((int)); 9725164Speterint ext_int_setup __P((int, int)); 9825164Spetervoid write_io_apic_mask24 __P((int, u_int32_t)); 9925164Speter 10025164Speter#if defined(READY) 10125164Spetervoid clr_io_apic_mask24 __P((int, u_int32_t)); 10225164Spetervoid set_io_apic_mask24 __P((int, u_int32_t)); 10325164Speter#endif /* READY */ 10425164Speter 10525164Spetervoid set_apic_timer __P((int)); 10625164Speterint read_apic_timer __P((void)); 10725164Spetervoid u_sleep __P((int)); 10825164Speter 10925164Speter/* global data in init_smp.c */ 11025164Speterextern int smp_active; 11125215Sfsmpextern int invltlb_ok; 11225164Speter 11325164Speter/* in pmap.c FIXME: belongs in pmap.h??? */ 11425164Spetervoid pmap_bootstrap_apics __P((void)); 11525164Spetervoid pmap_bootstrap2 __P((void)); 11625164Speter 11725164Speter#if 0 11825164Speter/* chicken and egg problem... */ 11925164Speterstatic __inline unsigned 12025164Spetercpunumber(void) 12125164Speter{ 12225164Speter return (unsigned)ID_TO_CPU((apic_base[APIC_ID] & APIC_ID_MASK) >> 24); 12325164Speter} 12425164Speter#else 12525164Speter/* 12625164Speter * we 'borrow' this info from apic.h 12725164Speter * this will go away soon... 12825164Speter */ 12925164Speterstatic __inline unsigned 13025164Spetercpunumber(void) 13125164Speter{ 13225164Speter return (unsigned)(apic_id_to_logical[(apic_base[8] & 0x0f000000) >> 24]); 13325164Speter} 13425164Speter#endif /* 0 */ 13525164Speter 13625164Speter#endif /* SMP || APIC_IO */ 13725164Speter#endif /* KERNEL */ 13825164Speter#endif /* _MACHINE_SMP_H_ */ 139